Home / 18,705.48-25,811.22-10,746.60

Finding the Fourth Proportional to 18,705.48, 25,811.22 and 10,746.60

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Solution

The fourth proportional to 18,705.48, 25,811.22 and 10,746.60 is: 14,828.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,705.48 : 25,811.22 = 10,746.60 : x
  2. Step 2: Convert to fraction form
    18,705.48/25,811.22 = 10,746.60/x
  3. Step 3: Cross multiply
    18,705.48x = 25,811.22 × 10,746.60
  4. Step 4: Simplify right side
    18,705.48x = 277,382,856.85
  5. Step 5: Solve for x
    x = 277,382,856.85/18,705.48
  6. Step 6: Final answer
    x = 14,828.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.